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Thread: Possible failed capacitor?
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2nd December 2023, 06:57 PM #1
Possible failed capacitor?
My dusty has decided to become slow to start. Googling suggests a failed run capacitor. Is this something that I could swap out? Wish I could link a video of start up
cheers
m
IMG_9663.jpg
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2nd December 2023 06:57 PM # ADSGoogle Adsense Advertisement
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2nd December 2023, 07:19 PM #2GOLD MEMBER
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2nd December 2023, 08:04 PM #3
turn the power off first, preferably unplug from power
I would love to grow my own food, but I can not find bacon seeds
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2nd December 2023, 08:19 PM #4GOLD MEMBER
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2nd December 2023, 08:44 PM #5GOLD MEMBER
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10th December 2023, 01:26 PM #6
I opened the capacitor compartment and discovered both the run and start capacitors are toast. The start capacitor is on the right, I found reference that this is a non polarized capacitor so can hook the replacement up either way. Does anyone know about the run capacitor? I can't see any labels on the capacitor, which suggests it doesn't matter either, and the wires are all blue. I can label the wires when I cut out the run capacitor, but bit hard to know with what if they're not labelled on the capacitor! The next problem will be the spec of the run capacitor, it has burst right through the label
IMG_9931.jpg
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10th December 2023, 01:37 PM #7
The motor is 240v Alternating Current !
There is no positive or negative as it alternates between the two.
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10th December 2023, 03:06 PM #8GOLD MEMBER
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12th December 2023, 09:00 AM #9
What size (?kw) is the motor?
Those were the droids I was looking for.
https://autoblastgates.com.au
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12th December 2023, 01:58 PM #10
I dunno, but it says 3hp
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12th December 2023, 09:38 PM #11
For a 3 HP motor a run capacitor of between 60uf and 80uf, 440V should work. I calculated 74.2uf
Those were the droids I was looking for.
https://autoblastgates.com.au
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15th December 2023, 04:53 PM #12
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15th December 2023, 05:00 PM #13
Not so easy to find the big start cap. Tried two electrical wholesalers and a dedicated motor refurb company with no luck. The company I bought it from are looking into it for me, but I also have one more business to try who have a capacitor of that rating listed, I just have to check Monday if they have it in stock.
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15th December 2023, 06:48 PM #14
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15th December 2023, 07:00 PM #15
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